FR402068A - Pyrotechnic alarm signal for railways - Google Patents
Pyrotechnic alarm signal for railwaysInfo
- Publication number
- FR402068A FR402068A FR402068DA FR402068A FR 402068 A FR402068 A FR 402068A FR 402068D A FR402068D A FR 402068DA FR 402068 A FR402068 A FR 402068A
- Authority
- FR
- France
- Prior art keywords
- railways
- alarm signal
- pyrotechnic
- pyrotechnic alarm
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
- B61L5/20—Audible signals, e.g. detonator audible signalling
- B61L5/203—Detonators; Track mounting means; Composition of the detonative product
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE402068X | 1908-05-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR402068A true FR402068A (en) | 1909-09-25 |
Family
ID=1446828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR402068D Expired FR402068A (en) | 1908-05-04 | 1909-04-15 | Pyrotechnic alarm signal for railways |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR402068A (en) |
-
1909
- 1909-04-15 FR FR402068D patent/FR402068A/en not_active Expired
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